SoftwareTestingo - Interview Questions, Tutorial & Test Cases Template Examples

SoftwareTestingo - Interview Questions, Tutorial & Test Cases Template Examples

SoftwareTestingo » Java » Java Tutorial » Online Core Java Tutorial for Beginners

Online Core Java Tutorial for Beginners

Last Updated on: By

Online Core Java Tutorial for Beginners: After so many requests from SoftwareTestingo visitors for the Core Java Tutorials, we have the plan to build a platform where everyone can learn java online for free. But we are making this platform for testers, so we have shared the java tutorial, which Java Selenium Testers require.

We are trying to cover all of those topics required for java selenium testers. And for that, finally, we have prepared the complete list and the tutorial post. By following all these Java tutorials, any beginner can learn java online quickly without anyone’s help.

Learn Java for Beginners

This Core Java Tutorial for Beginners post systematically contains all the links to all the covered topics, starting from the java tutorials for beginners to the advanced topics. We have prepared these tutorials so that they will help all category people of all categories. For a college student interested in learning Java programming online or a working employee interested in understanding and implementing those for building an application or in their work as well, on all these things, these Core Java Tutorials for Beginners will help you.

Core Java Tutorial
Core Java Tutorial

Learn Online Core Java Tutorial for Beginners

To Learn java from scratch, one of the most demanded languages globally, refer to these tutorials in a given order. We keep in mind that these oracle java tutorials will be helpful to all levels of learners, so if you don’t have any prior knowledge, you won’t face any difficulty in understanding these tutorials.

If you have any prior knowledge of Java, you may know what Java is. we are preparing this tutorial from a beginner’s point of view, So we have to start with the basics like:

What is Java Language?

Java is one of the commanding general-purpose programming languages. Using this Java programming language, we can develop various types of mobile and desktop applications and embedded systems if you count the number of benefits of Javed in the list Will Go On.

Sun Microsystem developed this popular Java programming language, but later on, Oracle acquired Java. The official statement of uses of Java programming language then you can find out that there are more than 3 billion + active users or active downloads of Java programming software, which sources the popularity of Java programming language.

So let’s start learning Java & also try to learn to code java, which software testingo blogs, and it’s entirely free for the learners. Let’s start with some basic concepts of Java, which will help learn Java programming for beginners with some step-by-step tutorials and simple Java programs.

What is Core Java?

In learning Java programming language, it may be hard to understand the basic terms of Java, which are Core Java and Advanced Java. So before digging into the Java tutorial concept, little do you know about the core java and Advanced Java?

  • Core Java
  • Advanced Java

Core Java: Sun Microsystem uses the term Core Java. Which is a basic version of Java, which refers to the collection of libraries rather than the programming language. it is a standalone Java application that covers various topics like the OOPS concept, operators, data types, wrapper classes, collection & and exception handling

Advanced Java: Advanced Java is also one of the parts of the Java programming language. But you can even say that the adventure is everything beyond Core Java. Advance Java, mostly the API, is defined in Java Enterprise Edition (JEE), including servlet programming and web Services. It is also a combination of web and enterprise application development, mainly following client and server architecture.

Core Java Tutorial For Beginners

Core Java Tutorial – Object-Oriented Concepts

Core Java Tutorial – String Manipulation

Core Java Tutorial – Collection & Generics

Core Java Tutorial – IO Operations

  • Create a New File in Java
  • Delete a File in Java
  • File separators in Java
  • Delete a Directory in Java
  • Open a File in Java
  • Rename and Move a File in Java
  • Getting File Size in Java
  • Get File Extension in Java
  • How to check if a File exists in Java
  • How to check if a File is a Directory in Java
  • How to get a File’s last modified date in Java
  • Java FileNameFilter example to list specific files
  • Java File Path, Absolute Path, and Canonical Path Explained
  • How to set File Permissions in Java
  • Four ways to Copy File in Java
  • Reading File in Java using BufferedReader, Scanner, Files
  • Scanner In Java
  • Read a File to String in Java
  • Java Read file line by line
  • How to write a File in Java
  • How to append data to a File in Java
  • Converting InputStream to File
  • Java Random Access File Example
  • Download File from URL Example
  • Java GZip Example
  • Temp Files in Java
  • Reading a CSV File using Java Scanner Class
  • Java Property File Example

Core Java Tutorial – Exception Handling

Core Java Tutorial – MultiThreading and Concurrency

  • Threads in Java
  • Thread Life Cycle
  • Thread Sleep Example
  • Thread join Example
  • Thread wait, notify, notifyAll Example
  • Thread Safety in Java – Synchronization
  • Java ThreadLocal Example
  • Java Timer and TimerTask Example
  • Java Thread Pool Example
  • Java Callable Future Example
  • Java FutureTask Example
  • Java ScheduledThreadPoolExecutor Example
  • Java Lock Example

Core Java Tutorial – Regular Expressions

  • Regular Expressions in Java Example Tutorial
  • Validating Email Address using Regular Expression in Java
  • Validating Phone Number using Regex in Java
  • Core Java Reflection API
  • Java Reflection API Tutorial

Java 7

  • String in switch case
  • Try with Resources – Java ARM
  • Binary Literals in Java
  • Underscores in Numeric Literals
  • Catching Multiple Exceptions in a single catch block
  • Java PosixFilePermission example to set File Permissions

Java 8

  • Java 8 Features Overview
  • Java 8 interface changes
  • Lambda Expressions in Java
  • Stream API in Java
  • Java Date Time API Example Tutorial
  • Java Spliterator

Java 9

  • Java 9 Features
  • Java 9 private method in interfaces
  • Java 9 try-with-resources improvements
  • Java 9 Optional class improvements
  • Java 9 Stream API improvements
  • Java 9 “var” for local variables
  • Java 9 “_” (underscore) changes
  • Java 9 Factory Methods for Immutable List
  • Java 9 Factory Methods for Immutable Set
  • Java 9 Factory Methods for Immutable Map
  • Java 9 Modules
  • Java 9 Module Basics Part 2
  • Develop Java Module using Command Prompt
  • Develop Java Module using Eclipse
  • Develop Java Module using IntelliJ IDEA

Java 10

  • Java 10 Features
  • Java 10 Local Variable Type Inference

Java 11

  • Java 11 Features
  • 6 New Methods in Java 11 String Class
  • Core Java Tutorial – Advanced Topics
  • Java Heap Memory and Stack Memory
  • Java is Pass by Value and not Pass by Reference
  • JVM Memory Model and Garbage Collection
  • Serialization in Java
  • Java System Class
  • Internationalization (i18n) in Java
  • Atomic Operations in Java
  • Thread Dump in Java
  • Deadlocks in Java
  • Sorting Objects in Java
  • Understanding JDK, JRE, and JVM
  • Java Classloader Example Tutorial
  • Java clone object

Java Interview Questions

Simple Java Program

We are sharing all the Core Java tutorials with you, but now we will share some of the programming basics. This will helps you to get a better understanding of programming knowledge also, and it will be more practical to learn Java programming for beginners & java programming examples.

Also, we will share all the programming concepts section-wise with some simple java program examples. So we request you to go through all the simple java programs for beginners so you can get better knowledge and an idea of how beginners can write these programs.

We hope we have covered all the required tutorials for Java Selenium testers. But if you think that we have missed out on something, please go ahead and comment below. I will write something on that and add that to the list.

What are the core Java concepts?

In Core Java, mostly we have discussed topics like OOPS concepts, Java constructs like loops and data types, String handling, Collection framework & Exception handling.

Where is core Java used?

Core Java is mainly used to design application software for both desktop and server environments. Core Java is the basics of Java that set the foundation for other editions of the programming language.

What is the difference between core Java and advanced Java?

Java is a general-purpose high-level programming language that helps to build a variety of applications. Core Java is used to build general applications while Advanced Java is used to build enterprise-level applications.

Why is core Java important?

In core java, a java program learner learns the very important basic concepts of java like the oops concept, exception handling, and collection framework. So, every program should be aware of those concepts.

    Reader Interactions

    Comments

    1. Why the tutorial of few of the sections are not available here. Please help if there is any other location

      Reply

    Leave a Reply

    Your email address will not be published.